115597940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 248500224

約数和(自身を除く): 132902284

約数列:

[1, 2, 4, 5, 10, 20, 71, 127, 142, 254, 284, 355, 508, 635, 641, 710, 1270, 1282, 1420, 2540, 2564, 3205, 6410, 9017, 12820, 18034, 36068, 45085, 45511, 81407, 90170, 91022, 162814, 180340, 182044, 227555, 325628, 407035, 455110, 814070, 910220, 1628140, 5779897, 11559794, 23119588, 28899485, 57798970, 115597940]

約数ペア:

[(1, 115597940), (2, 57798970), (4, 28899485), (5, 23119588), (10, 11559794), (20, 5779897), (71, 1628140), (127, 910220), (142, 814070), (254, 455110), (284, 407035), (355, 325628), (508, 227555), (635, 182044), (641, 180340), (710, 162814), (1270, 91022), (1282, 90170), (1420, 81407), (2540, 45511), (2564, 45085), (3205, 36068), (6410, 18034), (9017, 12820)]